Tamago Sando (Japanese Egg Sandwiches)

1 In a pot of boiling water, add your eggs and simmer for 7-8 minutes. 
2 Remove the eggs and run it under cold water or place in an ice bath.
3 Peel the eggs and cut into small pieces.
4 In a bowl, mix the chopped eggs with kewpie mayo, salt, and pepper.
5 Assemble the sandwiches. Divide the egg mixture onto two pieces of bread and spread evenly. 
6 Top with the other piece of bread and carefully cut in half.